<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8">
<title>z-index should work correctly for elements with perspective</title>

<style>

#perspective {
  perspective: 300px;
  perspective-origin: top left;
}

#front {
  z-index: 2;
  width: 100px;
  height: 100px;
  background-color: #00FF00;
  transform: translateX(0px);
}

#back {
  z-index: 1;
  width: 100px;
  height: 100px;
  background-color: #FF0000;
  transform: translateY(-100px);
}

</style>

<div id="perspective">
  <div id="front"></div>
  <div id="back"></div>
</div>
